Arbitrary File Upload leading to RCE in E4J s.r.l. VikBooking Hotel Booking Engine & PMS plugin <= 1.5.3 on WordPress allows attackers to upload and execute dangerous file types (e.g. PHP shell) via the signature upload on the booking form.
Sensitive Information Exposure in E4J s.r.l. VikBooking Hotel Booking Engine & PMS plugin <= 1.5.3 on WordPress allows attackers to get the booking data by guessing / brute-forcing easy predictable booking IDs via search POST requests.